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    <p>Hi you write on my answer of the same theme this:</p> <blockquote> <p>I have already asked the same question in this thread HERE, but didnt yet got any response. Got only one answer but it was not helped me.</p> <p>Let see whether it help you. HERE</p> <p>If you have done with it then please answer me in my thread. I will definitely appreciate you.</p> </blockquote> <p><em>Now I konw how to do it, i had to apply reverse ingeneering and decompile an .apk from the market, using dex2jar on linux and next opening jar with java decompiler... Try this... when u write this command:</em></p> <blockquote> <p><code>out.write(str.getBytes(),0,str.getBytes().length);</code></p> </blockquote> <p>U are sending to the method an byte[] array, u can modify format sending another byte[] array before send the real byte[] array... </p> <p>The default format byte[] array is this:</p> <blockquote> <p><code>byte[] arrayOfByte1 = { 27, 33, 0 };</code></p> </blockquote> <p>So u can try this:</p> <blockquote> <p></p> </blockquote> <pre><code>byte[] format = { 27, 33, 0 }; out.write(format); out.write(str.getBytes(),0,str.getBytes().length); </code></pre> <p>These lines i'll print u the default format text, but uf u do it: </p> <pre><code> byte[] format = { 27, 33, 0 }; format[2] = ((byte)(0x8 | arrayOfByte1[2])); out.write(format); out.write(str.getBytes(),0,str.getBytes().length); </code></pre> <p>It will print text in bold style... U can try this oter format arrays:</p> <pre><code> // Bold format[2] = ((byte)(0x8 | arrayOfByte1[2])); // Height format[2] = ((byte)(0x10 | arrayOfByte1[2])); // Width format[2] = ((byte) (0x20 | arrayOfByte1[2])); // Underline format[2] = ((byte)(0x80 | arrayOfByte1[2])); // Small format[2] = ((byte)(0x1 | arrayOfByte1[2])); </code></pre> <p>Too u can combine it, then if u like little and bold text, uncomment these array asignements, for example:</p> <pre><code> byte[] format = { 27, 33, 0 }; // Bold format[2] = ((byte)(0x8 | arrayOfByte1[2])); // Height format[2] = ((byte)(0x10 | arrayOfByte1[2])); // Width format[2] = ((byte) (0x20 | arrayOfByte1[2])); // Underline // format[2] = ((byte)(0x80 | arrayOfByte1[2])); // Small // format[2] = ((byte)(0x1 | arrayOfByte1[2])); out.write(format); out.write(str.getBytes(),0,str.getBytes().length); </code></pre> <p>This last code prints que biggest text size... I hope this can helps u...</p> <p>Pdta: sorry for my english</p> <p>Pdta2: <strong>I'm trying to print images, u know how??</strong></p>
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    1. POHow to change the font size while printing in android?
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    1. USLeonardo Sapuy
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    1. COlet me check mate
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      1. USNarendra Pal
    2. COIt seems like the solution for me. thanks, appreciated.
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    3. COHi Narendra, thanks a lot for your code, I have been two days trying to format some text following the existing manuals and it didn't worked out. I have a problem related to this, for example: I activate BOLD mode following your suggestion, then I write a line, afterwards I go back to default style and I write another line. The printer will write everything just taking into account the last parameter sent, which is the default style. Did you have this problem as well?
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